/*******************************************************************************
 * Copyright 2012 University of Southern California
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * This code was developed by the Information Integration Group as part
 * of the Karma project at the Information Sciences Institute of the
 * University of Southern California.  For more information, publications,
 * and related projects, please see: http://www.isi.edu/integration
 ******************************************************************************/
function clickUndoButton() {
	var commandDivElem = $(this).parents(".CommandDiv");
	// Prepare the data to be sent to the server
	var edits = generateInfoObject("", "", "UndoRedoCommand");
	edits["commandId"] = commandDivElem.attr("id");
	edits["worksheetId"] = commandDivElem.attr("worksheetId");
	// Invoke the UNDO command on the server
	showWaitingSignOnScreen();
	sendRequest(edits);
}
